Have you tried using buildkit and the RUN --mount option? I've done extra stuff here (downloading rpms in a second image first) but I think you could just use the cache option.
It would also be easy to use a second image and COPY in old docker. https://github.com/dholth/vagrant-docker/blob/master/Dockerfile#L86 On Tue, May 7, 2019, 11:59 Alex Becker <alcubec...@gmail.com> wrote: > You can use a local PyPI mirror, e.g. devpi, and point your docker builds > at that, basically tricking docker by going through the (local) network > stack instead of the filesystem. > > On Tue, May 7, 2019 at 8:12 AM Wes Turner <wes.tur...@gmail.com> wrote: > >> What is the best way to build docker images without constantly >> re-downloading packages from PyPI (to use ~O(1) bandwidth instead of O(n) >> for every build) >> >> (AFAIK, nobody has any issue with the amount of bandwidth PyPI uses) >> >> Thus far, Docker doesn't want to support a build-time -v option (that >> could be used to bind-mount .pip/cache in at build time): >> >> "build time only -v option" >> https://github.com/moby/moby/issues/14080 >> >> Buildah *does* support a build-time -v option (and can also do rootless >> builds without a docker socket) >> -- >> Distutils-SIG mailing list -- distutils-sig@python.org >> To unsubscribe send an email to distutils-sig-le...@python.org >> https://mail.python.org/mailman3/lists/distutils-sig.python.org/ >> Message archived at >> https://mail.python.org/archives/list/distutils-sig@python.org/message/IL6MGTSAA4X5UZDERCAAAFGGX5DGRPF3/ >> > -- > Distutils-SIG mailing list -- distutils-sig@python.org > To unsubscribe send an email to distutils-sig-le...@python.org > https://mail.python.org/mailman3/lists/distutils-sig.python.org/ > Message archived at > https://mail.python.org/archives/list/distutils-sig@python.org/message/2MNMGYBNFOOVGXA2JQ2PLDTZITZXANJU/ >
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